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Product Description
2.1
PRODUCT DESIGN
MICRODYN capillary modules contain a bundle of symmetric, hydrophobic polypropylene capillary membranes with a nominal
pore size of 0.2 micron. The capillary membranes are potted in polyurethane. MICRODYN capillary modules were developed for
cross-flow microfiltration (CMF), a modern filtration procedure for separating suspended solids and for low concentrations of
emulsions.
2.2
CROSS-FLOW MICROFILTRATION
The feed flows inside the membrane lumen (or inside the membrane fibers) are as shown in Figure 1. A part of this feed exits the
capillary membrane as filtrate, or clean water, due to a pressure difference across the membrane. The remaining liquid is called the
retentate/concentrate.
2.3
PRODUCT CODES & MODULE TYPES
The following coding applies to MICRODYN products:
MD150
Module Type & Size
(∅ diameter of housing in mm)
Please refer to Appendix 1, Table 1 for an overview of available MICRODYN capillary modules.
For more module-specific data, please refer to the respective datasheet on the webpage (Capillary & Tubular Modules -
MANN+HUMMEL Water & Fluid Solutions (microdyn-nadir.com)
MICRODYN CAPILLARY MODULES | USER MANUAL
MANN+HUMMEL Water & Fluid Solutions | REVISION DATE: 09/09/2021
Filtrate
Feed
Filtrate
Figure 1. Scheme of lumen function.
-
CP
Membrane Geometry &
Shell Material
CP: Capillary membrane
with polypropylene housing
FP: Hollow fiber membrane
with polypropylene housing
CS: Capillary membrane
with Stainless Steel housing
CU: Capillary membrane
with Polysulfone housing
CV: Capillary membrane
with PVC/PVC-C housing
Retentate
-
2N
Pore Size (0.2µm) &
Module Length
M: medium
N: normal
/
DF
Module Connection
AF: ANSI flange
DF: DIN flange
JF: JIS flange
C: Clamp connection
F/R
CC: Clamp connection
F/R/P
AS: Thread connection
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